<font size="30px">
<?php
	include('calculette-class.php');
	$c = new Calculette();
	$c->cal(array(12, 18, 10), '+');
	$c->cal(array(2, 8, 10), '-');
	$c->cal(array(2, 2), '/');
	$c->cal(array(4, 1), '*');
	//null, 40, 20, 5, 20
?>
</font>